/* Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3182ce, #2c5aa0);
    color: white;
    box-shadow: 0 4px 15px rgba(49, 130, 206, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(49, 130, 206, 0.4);
    color: white;
}

.btn-secondary {
    background: white;
    color: #3182ce;
    border: 2px solid #3182ce;
}

.btn-secondary:hover {
    background: #3182ce;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #3182ce;
    border: 2px solid #3182ce;
}

.btn-outline:hover {
    background: #3182ce;
    color: white;
}

.btn-ghost {
    background: transparent;
    color: #4a5568;
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: #f7fafc;
    color: #3182ce;
    border-color: #e2e8f0;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    padding: 0.75rem;
    border-radius: 50%;
    width: 48px;
    height: 48px;
}

/* Card Components */
.card {
    background: white;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #3182ce;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    background: #f7fafc;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a202c;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
    background: #f7fafc;
}

/* Badge Components */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: #ebf8ff;
    color: #3182ce;
}

.badge-secondary {
    background: #f7fafc;
    color: #4a5568;
}

.badge-success {
    background: #f0fff4;
    color: #38a169;
}

.badge-warning {
    background: #fffbeb;
    color: #d69e2e;
}

.badge-error {
    background: #fed7d7;
    color: #e53e3e;
}

/* Alert Components */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-info {
    background: #ebf8ff;
    border-color: #90cdf4;
    color: #2c5282;
}

.alert-success {
    background: #f0fff4;
    border-color: #9ae6b4;
    color: #22543d;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fbd38d;
    color: #744210;
}

.alert-error {
    background: #fed7d7;
    border-color: #feb2b2;
    color: #742a2a;
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Loading Components */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    border-top-color: #3182ce;
    animation: spin 1s ease-in-out infinite;
}

.loading-lg {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-dots {
    display: inline-flex;
    gap: 0.25rem;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3182ce;
    animation: dots 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes dots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Tooltip Components */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-content {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1a202c;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1a202c;
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* Modal Components */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a202c;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #4a5568;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #f7fafc;
    color: #1a202c;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Dropdown Components */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: #4a5568;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: #f7fafc;
    color: #3182ce;
}

.dropdown-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 0.5rem 0;
}

/* Tabs Components */
.tabs {
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 2rem;
}

.tab-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.tab-item {
    margin-right: 0.5rem;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    color: #4a5568;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-button:hover {
    color: #3182ce;
}

.tab-button.active {
    color: #3182ce;
    border-bottom-color: #3182ce;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Progress Components */
.progress {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3182ce, #2c5aa0);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-lg {
    height: 12px;
}

.progress-sm {
    height: 4px;
}

/* Breadcrumb Components */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #4a5568;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: #a0aec0;
}

.breadcrumb-link {
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: #2c5aa0;
}

.breadcrumb-current {
    color: #4a5568;
    font-weight: 500;
}

/* Pagination Components */
.pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.page-item {
    list-style: none;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #4a5568;
    text-decoration: none;
    transition: all 0.3s ease;
}

.page-link:hover {
    background: #f7fafc;
    color: #3182ce;
    border-color: #3182ce;
}

.page-link.active {
    background: #3182ce;
    color: white;
    border-color: #3182ce;
}

.page-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-link.disabled:hover {
    background: none;
    color: #4a5568;
    border-color: #e2e8f0;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: #3182ce; }
.text-secondary { color: #4a5568; }
.text-success { color: #38a169; }
.text-warning { color: #d69e2e; }
.text-error { color: #e53e3e; }

.bg-primary { background-color: #3182ce; }
.bg-secondary { background-color: #4a5568; }
.bg-success { background-color: #38a169; }
.bg-warning { background-color: #d69e2e; }
.bg-error { background-color: #e53e3e; }
.bg-light { background-color: #f7fafc; }

.rounded { border-radius: 8px; }
.rounded-lg { border-radius: 16px; }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); }
.shadow-lg { box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1); }
.shadow-xl { box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15); }

.border { border: 1px solid #e2e8f0; }
.border-t { border-top: 1px solid #e2e8f0; }
.border-b { border-bottom: 1px solid #e2e8f0; }
.border-l { border-left: 1px solid #e2e8f0; }
.border-r { border-right: 1px solid #e2e8f0; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.m-5 { margin: 1.25rem; }
.m-6 { margin: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* TourExplorer Specific Components */

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    justify-content: center;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    font-weight: 500;
}

/* Phone Mockup */
.phone-mockup {
    width: 200px;
    height: 400px;
    background: #1a1a1a;
    border-radius: 25px;
    border: 3px solid #333;
    position: relative;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 22px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.app-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-header {
    text-align: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.app-title {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.search-flow {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem 0;
}

.search-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-step.active {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.step-icon {
    font-size: 1.25rem;
}

.step-text {
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: var(--background-light);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.step-icon {
    font-size: 3rem;
    margin: 1rem 0;
    display: block;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: white;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--background-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    max-width: 350px;
    margin: 0 auto;
}

.testimonial-avatar {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: center;
}

.testimonial-author {
    font-weight: 500;
    color: var(--text-light);
    font-size: 0.875rem;
    text-align: center;
    display: block;
}

.testimonial-rating {
    text-align: center;
    margin-top: 1rem;
    font-size: 1.125rem;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.download .section-title,
.download .section-description {
    color: white;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: white;
    color: var(--text-color);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 200px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: var(--text-color);
}

.download-icon {
    font-size: 2rem;
}

.download-text {
    text-align: left;
}

.download-subtitle {
    display: block;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.download-title {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
}

.download-note {
    margin-top: 2rem;
}

.download-note p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-light);
    margin: 0;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-details a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-container {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-actions {
        display: none;
    }
    
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .phone-mockup {
        width: 150px;
        height: 300px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}